As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GON/BWI - FLT 3157 - ON GEAR RETRACTION, ALL 3 GEAR DOOR LIGHTS STAYED ON. AFTER CYCLING THE GEAR, THE LIGHTS GO OUT. AIRCRAFT CONTINUED ON TO BWI WITHOUT INCIDENT. REMOVED AND REPLACED 3261-K9 AND 3261-K11 RELAYS. REFERENCE CONTROL NR 95ZZZX4245.